Machine for making roll dispensing containers



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6 Sheets-Sheet l J KIEVIT MACHINE FOR MAKING ROLL DISPENSING CONTAINERS April 18, 195o Flled Sept 28, 1948 April 18, 1950 J. K'lEvlT 2,504,698

MACHINE FOR MAKING ROLL DISPENSING CONTAINERS Filed Sept. 28, 1948 6 Sheets-Sheet v2 INVENTOR. dbs/Pfff /f/Ew 7:

ATTORNEYS.

J. KIEVIT MACHINEl FOR MAKING ROLL DISPENSING CONTAINERS 'April 18, 195o Filed sept. 28, 194s SMN 9% m. QQ SMN NNN ATTOR NEYS.

lApril 18, 1950 J. KlEvlT 2,504,698

MACHINE FOR MAKING ROLLl DISPENSING CONTAlNERSI Filed sept. 28, y1948 e sheets-sheet 4 fao y ,07 86 fw 4.9 5a' *9-9 ja? 63 6.5 .9.9 .9.fof.; .90

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ATTORNEYS.

pril 18, 195@ J, KIEVIT 2,504,693

MACHINE FOR MAKING ROLL DISPENSING CONTAINERS Filed Sept. 28, 1948 6 Sheets-Shea?l 5 lll Il Hl jg L..716

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April 18, 1950 J. KlEvrr MACHINE FOR MAKING ROLL DISPENSING CONTAINERS 6 Sheets-Sheet 6 Filed sept. 28, 194s Jl--ITVV EN TOR.

Jas/5f MEV/7: BY

Patented Apr. 18, 1950 MACHINE FOR MAKING ROLL DISPENSING CONTAINERS Jasper Kievit, Middletown, Ohio, assignor to The Crystal Waxing Company, Middletown, Ohio, a

corporation of Ohio Application September 28, 1948, Serial No. 51,620

7 Claims.

My present invention relates to machines and methods employed in the manufacture of paperboard boxes or containers of the type wherein a roll of paper or the like is contained. In this type of box it is conventional practice to arrange the roll so that as the web is withdrawn from the roll (retained within the box) the web passes outward through a slot or passageway existing between the front wall panel of the box and the closure flap. When the user has withdrawn a strip of paper of desired length, the withdrawn portion is torn off, using the upper edge of the front wall to facilitate the tearing off of the withdrawn portion. To facilitate this operation the upper edge of the front wall panel is often reinforced and provided with a reinforced tear off knife. This is usually a thin, narrow stiftening strip often made of metal, plastic or the like, which is axed to the carton blank while the blank is in knock down flat condition.

So far as I am advised, these metal or reinforcing strips have heretofore been provided in coils of tape-like material which are cut off to length prior to attachment to the box Wall, and the methods of attaching these tear off knives to the blanks has entailed considerably greater expense in proportion to the cost of the finished container than my new method involves, wherein the fabrication of the tear-off knives and their attachment to the box walls is accomplished in a substantially unitary sequence of operations.

More specifically therefore, my present invention relates to an improved method and machine for fabricating and attaching tear-olf knives to box blanks.

An object of my invention is to provide an improved method for forming and aiixing tear off strips of the type herein described, to box blanks which are subsequently set up into con tainers of the roll dispensing type.

It is an object of my invention to provide an efficient machine for rapidly fabricating tear-off knives and attaching them to the blanks for roll dispensing containers, the sequence of operations being such that tear-off strips are fabricated from a roll of metal of a width equivalent to the length of the tear-off knives. As the web is fed along it is first stamped to provide clinching tongues, when the fabricated strips are clinched to the container wall and final-ly the strip is cut off from the advancing end of the web of metal. I refer to the pending operation which prepares the tear-off knife for application to the carton wall as a fabricating step.

Thus instead of feeding a metal tape parallel with the edge of the front wall of the container and attaching it to the box wall, it is my object to feed a web of thin metal along and form attaching tongues as it is fed, then to clinch these tongues to the box wall and finally to cut off the strip laterally of the metal web to form the individual tear-off knife for each carton. Since no problem of registering each unitary tear-off knife with a box wall edge is involved, much greater speeds of operation can be effected. The tear-off knife, it will be understood, has a cutting edge, preferably serrated, against which the withdrawn portion of the web is pulled with enough tension to cause severance of the withdrawn portion of the web. Other words may be used, such as cutting edge to dene the stiffening strip against the edge of which the web is severed.

The foregoing objects and other advantages and improvements will be apparent in the specification and description which follow, reference now being made to the drawings wherein:

Figure l is a side elevational view of a preferred type of machine with parts broken away and certain other parts in section.

Figure 2 is a plan view of the machine.

Figure 3 is a fragmentary sectional View taken along the line 3-3 of Figure 2.

Figure 4 is an enlarged fragmentary sectional View taken along the line 4--4 of Figure 2.

Figure 5 is a further enlarged fragmentary detail explanatory of the punching or forming operation.

Figure 6 is an end elevation of a punch or forming die as vemployed in my machine.

Figure 7 is a sectional view taken along the line 1-1 of Figure 5 showing the downwardly bent fastening prongs or tongues in detail.

Figure 8 is an enlarged fragmentary detail view illustrating the clinching operation.

Figure 9 is a similar view illustrating the shearing operation.

Figure 1() is a fragmentary perspective of a shearing element.

Figure 1i is a fragmentary enlarged sectional view taken along the line I l--l I of Figure 2.

Figure 12 is a'sectional view taken along the line I2-l2 of 4Figure 2, but with parts broken away and other parts in section to illustrate cer tain details of the clinching and shearing mechanism.

Figure 13 is a side view of a cam member.

Figure 14 is a sectional view taken along the line it-Hi of Figure 2 with parts broken away and 'other parts in section showing certain details of the punching and forming mechanism.

Figures l5, 16, 17, 18 and 19 illustrate various steps in attaching the tear-olf strip or metal edge to the carton blanks.

Figure 20 is a sectional view illustrating e.. con tainer formed in accordance with my invention.

Figure 2l is a fragmentary elevational, view of certain detailedfV construction of the machine.)

Figure 22 is a sectional view taken on line 22--22 thereof.

Figure 23 is an elevational view of the gripper bar assembly employed to remcverthe. finishedj cartons from the machine.

Figure 2li is a section taken on line 2de-2a thereof.

Figure 25 is a sectional View taken on various planes as best suited to illustrate the function of the gripper members.

Briefly my machine embodies means for feeding a metal or plastic web from one end of the machine and a carton blank from the other end, the advancing end` of the. web-'and they blank being moved toward. each other for purpose of uniting them at, a certainwork station. During operation of the; machine a carton blank is conveyed to position against an abutment whereby further movement of the blank'is arrested and it awaitsfurther operation of themachine; The web isV intermittently., advanced in 'measured in! crements by a pai-r off measuring feed rolls. Operating in timed relation with each forward movement of the web a punching and forming.Y

mechanism functions as the initial fabricating step wherein a seriesof-transverse rows of small. downwardly depending prongs or fasteningy lugsv lbe described in detai1and;the cycle ofo-perationsA is completed.

Some of` the operations just describedand.

others to be later disclosed.. will bemoreclearly understood by reference to Figures-15 through. 20. As shown in these figures the carton blank lVV comprises main body panelsY 2,. 3, 4 andY 5, the panel 2 being. the ultimate: front. wall` of 'the erected dispensing. container asshown.- in Figure 20, and the panel forming thetop cover panel-to which is articulatedthe closureflap S. Endwall..

panels, generally indicated at '5,v will, of course, be provided and itwill readilyibeunderstoodV that. these end panels-may,` be arranged in, any of-varions manners to form suitable end closures.y

As seen inFigure `15,;the cartonblank-l may be assumed to be positioned at 1'est.and.,the metal.

web is, about to.- beadvancedand guided'llnihe direction of. nthefarrewy X, the. web, beingfslightly elevated above;V .theblank;v It. will, be :observed that the web-:8 is formedzwth transverserows.. ato nete Igor cto,c,fof downwardly bent.prongs.-,

orY fasteninglugsafii,v shown in greatly.. enlarged section in Figure 18. Referring now to FiguresA 16 and 18, the webihas been advancedto` a posi tion above the; carton with they first .transverse ures 17 and 19 from which figures it will now be Mil TOW,r a tOflZf, ofv the -prongsaf inV suitable position.`

to be forced; through.'theffcarton-.blank and, clinched,tlrierei'fo;V J ustias thsiclirrching pperation,

apparent that the finished carton blank i is `provided with a metal tear-off knife or cutting edge iii; this stripbeing securely attached to the carton blank by virtue of the prongs 9 which as seen in Figure 19 extend through the boxboard and arecli'nched or bent over as shown at 2a.

It may be noted that the individual tear-off knife Hl is formed with a serrated edge ica which improves the cutting `action in making a neat lateral. The transversely extending serrated edge is"n produced by a similar configuration of the shearing elements later to be described.

Figure 20 illustrates vthe. erected container .with a-roll of. paper or the like H therein. It maybe pointed outfthatI the. paper strip Haris. with.- drawn from the 'box through thepassageway existing between the frontwall rpanel andthe closure apandthatthe withdrawn portion lid of the strip .may be readilysevered from the roll` l l by pullingthe stripdownwardagainst.

the serratededge la of the cut-olf?? knife lll..

Referring now toFigureaLand-Z, my ,machine comprises a suitablebase. lfwithV upright .inem-.-4

bers i6 supportingan elevated.. framework l?- Mounted. on this Vfrancework .I1 isa-pairof suitable castings wand-1li?V which serve to mount a series of straightening-rolls 2i?, 2|, 22, 23. 24 and.;

25, which rolls serve-toremove any excess curvature fromV thefincomv'mg metalstrip.I The metal4 or plastic web'l will.l preferably be supphed in a roll` or coil 25 which-may be plaeedinafsuitable.de coiling device suchI as that shown-at- 2'5, the free end of the web beinggradually withdrawn. from they coil by' a .pair of slowly driven feedxrclls 2&3:

ratchet wheel 34.. A lever armY Sidinounted for operation-upon the shaft 32a, carries a pawl 31th and at its outer end is pivotally connected to a link 35m. A tension spring 34d -urges the parts to the position shown;

At its lower end thelinktie is-pivotally connected tea .lever arm 35e-which is itself pivotally mounted as at 35h, oir-theframeand carries aV to .produce anoscillating. movement. of Vthe lever itin',vr whichlever,` actingthrough link: trie,vr produces a similarr oscillation:movement--0f .the armn Manresulti-ngin thepawl. 3M) turningfthe ratchet wheel 34,- andconsequently'the rolls 32 and 3i to feed the web jforward. The lineal movement of the wel;.-will,V ofcourse, .bedeterminedby the riseof the'ca-m. A pa-wllfe engages theratchet wheel, to .prevent possibleebacklash.

By means ofthe arrangement iustdescribed,` the web 8 is advanced step by.step,sfrom right. :toleft as .seen vinFiguresi: 1Y.ancl..2,l in measured increments and in timed relation with other movements of the machine. The web, thus being advanced, next passes into the punching and forming device generally indicated at 36.

Referring now to Figures 4, 5, and 14, which show enlarged detail of the mechanism with which this initial fabricating step is accomplished, the web passes between upper and lower coacting members 31 and 38. The upper member 31 is slidably mounted on studs 39 and 40 (see Fig. 14), and is urged to the position shown by a series of compression springs 4|. This upper member 31 carries a series of punches or forming dies 42 arranged transversely to the strip. The lower member 38 is xedly mounted in the frame members i8 and i9, previously mentioned, and has a series of female die elements 43 which coact with the punches 4l) to produce the downwardly bent prongs or clinching teeth 9. Figure 5 shows the position assumed by the parts during a forming operation and it may be pointed out that a resiliently mounted plunger or stripper device 44 having a reduced portion 44a and urged to the position shown in Figure 4 by a compression spring 44h, is provided in conjunction with each of the forming dies. This plunger is depressed by the forming operation whereafter, in returning to its normal position, it serves to lift or strip the prongs 9 from the female die element 43 permitting the web 8 to be advanced from the position shown. There is also a stripping means for the punches 42. This consists of a bar 45 resiliently mounted in the member 31 and formed as shown to surround the lower ends of the punches 42. The stripper bar 45 is i'lxed to rods 46 slidably mounted in the member 31, the rods 46 being fixed at their upper ends to a plate 41. The plate 41, and consequently the stripper bar 45, is urged downwardly by compression springs 48 which surround studs 48a, the springs bearing against the plate 41 and look nuts 48h. Downward movement of the stripper assembly is limited by the short sleeves 48o mounted on the studs 48a as shown.

The required movement of the upper member 31 is produced by action of cams 49 and 59, having humps or rises 49a and 55a respectively, which cams are fixed at either end of a shaft 5l journaled in the frame members I8 and I9. The member 31 is provided with pins or studs 31a and 311) respectively engaged by slidably mounted links 55 and 54. At their lower ends the links 53 and 54 are provided with cam followers or rollers 56 which coact with the cams to produce the required downward movement of the upper forming member 31. As shown, the links 53 and 54 are slotted near their lower ends as at 55, the shaft 5| extending through these slots and having aiiixed collars 51 to retain the links 53 and 54 in operative relation.- At their upper ends the links 53 and 54 are provided with slots 58 through which the studs 31a and 31h extend. Adjusting screws 59 bear against the studs to permit adjustment and small compression springs 59a act as take-up means preventing undue loss of motion.

,The punches or forming members 42 are removably and adjustably mounted in the member 31, by means of set screws 42a and adjusting screws 42h arranged as seen in Figure 4.

Referring now to Figures 5 and 6, the cutting and forming ends of the punches 42 are triangular in cross section, the sides of the triangle being indicated at a, b, and c. The end of each punch is ground to an langle indicated, at 42e producing a high point or initial piercing edge 42d. The inside diameter of the female element 43 is indicated at 43a and it will be observed that the arrangement is such that as the punch 42 strikes the metal strip the high point 42d will rst pierce the metal. Continued downward movement of the punch will then cause the sides or edges a and b to act as cutting means forming a V-shaped cut, while the side c acts as a bending agent to form the cut portion downwardly and produce the fastening lugs or clinching teeth 9 as seen in Figure '1.

As the web 8 with its transverse rows of downwardly bent fastening prongs leaves the forming mechanism it passes between a lower guide plate 59 and upper guide bars 6I and B2 which direct the web into the clinching and shearing mechanism generally indicated at 65 and wherein the strip occupies the position A as indicated in Figure 4. As here shown the web is positioned between upper and lower members 53 and 64 respectively of the clinching and shearing mechanism awaiting operation thereof to clinch the strip to a wall of an awaiting carton blank l, which blank has been conveyed into position indicated at B by means and mechanism next to be described.

Referring again to Figures 1 and 2, there is mounted at the left end of the machine a pairof castings 10 and 1I which support a conventional feed board 12 and feed wheel 13. As well known in the art the feed wheel 13 has a friction pad 14 which serves to withdraw the carton blanks, one at a time, from the feed board and deposit the blank thus withdrawn on a conveyor here shown as comprising belts 15, 16 and 11, which are driven by'uitable means later to be described. Suitable hold down bars 1B and 19 are of course, provided and rollers 89 mounted on a shaft 8l bear lightly against the blank as it ls carried forward by the belts. The blank is carried forward until it strikes an abutment, later to be described, within the clinching and shearing mechanism, which abutment halts movement of the blank and it comes to rest in the position indicated at B in Figure 2. It will here be noted that the blank is retained in the position shown by the rollers 82 mounted on shaft 83, which rollers bear lightly against the blank pressing it against the conveyor belts which slip beneath the blank and frictionally urge it to position. In Figure 4 the relative positions of the web and the carton I, just prior to the clinching operation are indicated at A and B respectively.

' Referring now to Figure 12, the upper member 53 of the clinching and shearing device is slidably mounted on studs 85 and 81, which studs are iixedly mounted in the lower member 64. The member 64 is in turn rigidly mounted between the frame members I8 and 19. Compression springs, generally indicated at 33 and arranged as shown, serve to urge the member 53 upward with respect to member '64. The member 63 has studs 39 and 9B engaged by links si and 92`which llinks are respectively provided, near their lower ends with cam rollers 93 and 94. Cams 95 and S5 having humps or rises 95a and 93a respectively, are keyed as at 91 to a shaft 98 suitably journaled in the frame members IB and I9. For purpose of adjustment, the links 3| and 92 are slotted as at 99 and are provided with adjusting screws |00 which bear against the studs `85 and Sil. Springs 19| serve as take-up devices and maintain the relative position of the links as shown.

The lower ends of thelnks are slotted as at 192.

atomes:

' itself provided?withhalpivoted. bearingarrangee At their upper endsfth'e studsA It?" are'. threaded Y to receive lock nuts l Eachot thestuds'lll'l is surroundedfby acompiessi'on spring l i 2 which bears-againstfthe platelt :andthe pressurebar- Als'ozmcunted irr the memb'eni is a shearingelementi or die H which'4 coacts `with a similar shearing. element-. mountedfinthe lower member 5t: The. shearing. elements each have a sere rated; cuttingedge |IT and are* retained in opera-` tivere'lation by screwsy i |8g'i the: heads of which engage with: elongated-.slotsfor holes' |55. winchy permit adiustment` ci-` the.VV shearing: members' by rneansof adjusting. screws l. 8a.

Withthefmetalsstrip; now-.positionedflas at- A. andfthe: carton blank. positioned asA at" B', the member 63 is pulled downwardly toward:l the member1 6i' by' actiorr oi 'th'e oamsf 95': and ilprevionslyv described. This downward movement oimember'-53 first` causes'- Ythe: pressure bar |55? to contact"- the advancedfenrlroflthe: web at drivethe` first transverserewv of i clinching vteeth S''tlirough thefcarton: blank. The prongs E y being slightlyfelonger than tliezthickness cfr' box'- boardg' will; be f'bentrover.: or;I clinched -as at." 9a inI Figu1e`r19': Justasfthiaelinching:operation is4 completed; thefrelativerposition of," parts will: 'bel as: shown. ini FigurerSgwhere-it-will be observed thatthe .web -is now afxedtothe,carton-blank! Withthe olinchingoperatiohr-thus completedy the membertmovesfarther: downward te the position yof-i-ligure 9v dnringrwhich movement thev shearingielements: H5. and l fseventheadvanced portion of. the, web 'Siffromi that? portion ywhich wasl clinched/ to'theecartcn'blanle" lA and the blank Vwith itszmetal edge attached appearsfasin Figure 17.'

During' the.VV shearing? operation: as justY described, th'e metal stripcazfisfgripped between the upper'knfe Handasspring mountedpressure Y bar` l2Bfretractablymonntediinithe lower member '5.1322 Thez'fbarr'l-Q is providednwith' a-4 pair o-ffdepending'studshii each surrounded-'by a ccm:- pression lspring i221fwhich'ibearsfagainst shoulder |23 otfmemberrtl'tovurgefthe:barE'Qilfto the positionzshown' inl FigurefAi-.i As seen inil Figures lof andjll; the-studsr|z2| extends:downthrough` thefmember fandare providedra-t their lower endsY with cam'followers 25 engagedv bycams i 25' i'iXed-pnitlre shaft 53; Thefcamsf |2E1assure that afaterreacl'rshearing operaticnfthezbar lfwill belifter-,li` to; the` position off-,Figure fwherrr it will be observed that-the: ban |12 as'vserves toig'uidev `or lift: the: web c S 1torapposition'slightlzsabove. the cartonblanifl andfalso. thatptheebar; I "25 fserves as an.- abutznent ier: positioning?thef`icartenzgblarrk. To, provide.' clearance'lorthe-#downwardly bent fasare-provided .withsuitable grooves generally indi'- cated at l Referring-1 againito Figuresf l" and2, the `compietedrearton' blank; with its metal ,tear-.oli edgeattached'. remains vin thefposit-ion: indicated 'at B awaiting; removal.tfromthe-machine as will next be'describecl: For'thispurposeiashaft M15 jour` naled yin theframeimemb'ersf'and'llfhas affixed:

' screw f6 i ment at-'itsflower endfthemember |i5iloeingy affixed by meansof a-castingf|45i toy an transverse; shaft-IM fjournafledrin asutable'bearing |48;

This pivotedlarrangem'ent of/the'member` |'45i permits themember to bel oscillated. bylactionoff the Icrank .armA |41' ancl'the-V link. |42; Th'e'ap proximate limits" oftheoscillating movement'thusi producedfat the upper' endlofmernber |l|5lareel indicated'in; Figure;,1'1at 'Gand D; Fixed' to the'V upper endof 'the oscillating member |45 is'fa.:

- casting |49 rhaving a1 transversely disposedJbeari-L ingV portion'V |5021 Journal'ed this bearing |502 and retainedthereiniby collars' 5| and? |52"is `a shaft |53 whichiicarries'a pair of'fingers'or gripe' per-devices |54a Referring now: tox Figures l21 and 22;: the coll'arf5 i5|'is*i edfto the-shaft |53 by means ofi alongHq pin |55? A studi" IE5-f mounted in the'collar` isf engaged fbya tension spring |57; thefothervend* of whichsprings'engages-a'stud |55*I mounted in" 1 the casting |49? Byth'ef-arrangement shown, the

pin |55normally| abutsethe studI Hiisothat no rotational movement' offl the shaft |53* occurs:- However, thearrangement permits'a slight rock'- ing ofthe shaft 53 lvvhiclfrI rocking -is advantageous at the-positionv where the fingers or'pickLupr members engagel the--=carton blank-to remove it from the-machine as will ylater-be understood.

The iingers `or'pi-cle-updevices-eacl'i compriseV a member fixed to the shaft |53 by a set Fixed' to the member -lil'by screwsk |52 is a plate |53 having af bevelededge E54 and a central slot or cut-out portion |65.- A pin |55* mounted in thefplate'"|53 serves as a-pivot forwa' finger or clamp memberl |51', which isy mounted:2 within the slot'- |55.v One end offthengerl |611 is formed as at Vi 58 anda-light compression-springl urges thisY end "of" theenger `Vto' a closed posik tion against theplate |53; thus forming'ra gripping means for-engagingthecarton blank. At'f its upper end: thefspring` |59 abuts against'a plate ISQ mounted byjmeans'o'f studs |59hsecuredflin the plate |53'.

As best seen in Figur-e723, a-shaft |'|'|`l extends through both of the grippin'g'devicesY |54, and also'- through a collar'I'ISdXedby5 screw |14 to theLVA shaft |53, thes'haft |7| being rotatably mounted in these members, and havingl an operating lever |75. The membersl each havea slotted orf cut-out por-tion |10 and'within these slotted porf Ilf2,` which are arranged'tolbear against the 1in-- ger elements |51. A'rocking movement of the shaft lltwillth'uscause-the pinsV |12to rock? the lingers about their pivotV pins |56 causing;h the ends |68 off'the'iingers to-be rotated slightly'V countercloclzwisel against" compression of* the springsl |653' thus eiiectingv-an. open position of? the` gripping elements. This position-ofthe parts` is shown in Figure 25 where the-'oscillating memberll-iwith its transverseV shaft" |53 carrying" the gripper elements |54 is approachingits'extremel limit of'oscill'a'ting movement in'the'- direction indicated' bythe arrow E4 and reversal oi".1

travel'is aboutf'tooccurr Asethe; parte` arrive at*I this position'thepperating lever |75 is contacted 'itathe@gripperassenlblyeapproachesfthe-position-Ei-` Vagainst tension of the spring |85.

'the beveled edge I 64, of theplates |63, strikes against platform members or plates |64a mounted in the frame. This results in slight rotational movement of the shaft |53 as the shaft and its associated elements move into position to engage the carton I.

Referring brieiiy to Figure 1, the shaft |40 mounts a cam |80 having a rise or hump |8|. A roller or cam follower |82 is mounted in a bar |83 slidably mounted in a bracket |84 and urged to position against the cam by a tension spring |85. The arrangement of the cam |88 is such that just as the gripper bar |53 commences its reversal of movement the bar |83 is shifted Referring again to Figure 25, the other end of the bar |83 is pivotally connected as at |85 to a lever arm |81 pivotally mounted on the shaft |88. The abutment member |16 previously mentioned is fixed by screws |89 to the lever |81. As thus described movement of the bar |83 will cause the lever |87 to be shifted in clockwise rotation carrying with it the abutment member and removing the abutment from the operating lever |'|5, permitting the springs |69 to close the iingers |51 against the carton blank. The lever |87 also carries a roller |90 which serves to shift or rock a lever |9| fixed on shaft |532. The pres.- sure rollers 82, as previously mentioned are mounted on the shaft 83. The shaft 83 is itself mounted in supporting arms |93 which arms are freely pivoted on the shaft |92. Fixed to the shaft |92 by screws |94 are lever arms |95 which engage beneath the shaft 83. It will now be apparent that the shifting of lever |81 will also rock the lever |9I, shaft |92 and lever |95, which lever engaging the shaft 83 will lift the pressure rollers 82 away from the carton blank. This permits free withdrawal of the blank by the gripper mechanism which carries the blank to the left as seen in Figure 1 where, as the gripper mechanism approaches the position indicated at D a pair of abutments |95 are arranged to abut the leading edge of the carton blank. The blank,

striking these abutments, is thus withdrawn or the carton from the machine to a suitable receiving device such as the receiver indicated at |99. With the removal of each carton as just described, a new carton blank is Withdrawn from the hopper and conveyed into position, the operation of the machine being continuous.

t will readily be understood that the various mechanisms embodied within my machine may be suitably driven and operated in timed relation by various arrangements of driving mechanism and that I am not to be limited to the arrangement thereof as shown in the drawings and next to be described.

Referring to Figure 1, a motor 200 has a pulley driving a belt 202 running over a larger pulley 203, which is mounted on a shaft 201i. The shaft 205 is journaled in suitable bearings on the frame and has a sprocket 205 driving a chain 205 which in turn drives a sprocket 201 and shaft 208. Other sprockets fixed on the shaft 208 drive a chain 209 and a chain 2 0.

The chain 209 drives a sprocket 2|| fixed on a shaft 2|2 journaled in the frame members I8 and I9. A gear 2|3 fixed on the shaft 2|2 drives a larger gear 2|4 xed on shaft 2|5 which is also journaled in the side frames I8 and I9. Fixed on the shaft 2|5 a sprocket 2|6 drives a chain 2H, which chain 2li' drives a sprocket Zia of a reduction unit 2|9, the output or reduced speed shaft 220 of which has a sprocket 22| driving a chain 222 which drives a sprocket 223 fixed on the shaft 224 of the feed'roll 29.

Also Afixed on the shaft 2|5 a gear 225 drives gear 225 xed on the shaft 5| previously described. The gear 220 drives a gear 221 fixed on the shaft 08, also previously described. Also driven by the gear 225 is a gear 228 mounted on a shaft 229 which shaft is journaled in the side frames i8 and i0 and has fixedly mounted the cam 35 previously described.

The gears 225, 226 and 227 mounted respectively on shafts 2|5, 5| and 98 may, for purpose of rigidity and smooth action of the machine, be duplicated near opposite ends of their respective shafts. This will be clear from inspection of Figure 14 which shows duplicate gears 225 and 225 near the frame members |8 and i9.

The chain 2|0 drives a sprocket 230 fixed on a shaft 23| journaled in bearing blocks mounted on the frame. Fixed on shaft 23| is a smaller sprocket 232 driving a chain 233 which chain drives sprocket 23d fixed on shaft |88 previously mentioned. The shaft has a sprocket 235 which drives a chain 235 running over a sprocket 231 xed on shaft 238 which shaft 238 mounts the feed wheel i3 previously described.

Referring briefly to'Figure 2, the shaft 238 has a sprocket 239 driving a chain 240 which runs over a sprocket 24| iixed on a short shaft 222'. The shaft 242 is journaled in a suitable bearing bracket 243 and has aiiixed a miter gear 250 driving a similar gear 245 fixed on a shaft 255.

The shaft 246 is mounted in a suitable bearing bracket 241 and has pulleys 248 and 249 which respectively drive the cross conveyor belts |51 and |98 previously mentioned. At their other ends the belts |97 and |98 return over idler pulleys 250 and 25| mounted on a shaft 252 journaled in a suitable bearing bracket 253. A gear 255 nxcd on the shaft 238 drives a gear (not shown) on lshaft 255 (Figure 1), the shaft 255 being journaled in the frames 'I0 and 1| and having affixed pulleys 256 which drive the conveyor belts '15, i5 and 'il previously mentioned, these belts returning over pulleys 251 mounted on the shaft |88 which shaft is journaled in adjustable bearing blocks such as indicated at 258.

It will thus be observed that the method which I employ, and which is facilitated by the use of. the machine illustrated, permits the assembly cf dispensing cartons with tear-offknives by rst moving a web of suitable reinforcing material (such as sheet metal or plastic), first fabricating that portion which is to form the tear-olf knife by a stamping operation; second clinching the tear-01T knife or strip to the wall of the carton before the tear-off knife is severed from the web; thirdly severing the cut-off knife from the web from which it was fabricated, and finally feeding the carton blank forward for assembly as a dispensing carton. It should be observed that the cutting off of the web with a serrate toothed die leaves a serrate edge for the next succeeding cutoff knife, and while this serves no useful function it has no disadvantages and a double cutting, one to provide a serrate edge and the other to provide a smooth leading edge is made unnecessary. Further the full width of the doubly serrated edged knife is used without waste of 15 material.

Having thus described myst-invention, 'whatgl "claim `fasi new and l.desired secure by Letters (Patentis:

Y nl.. In combination with f mechanism f for `interjmittently feeding, to .faposition of temporary fstoppage, the llola-nhs` for-rouV 'dispensing f containiers, :mechanism ifior intermittently advancing a :Web yoffstifffening*material to.-;said;positon, :mech-V anism actuable iatzaes'tageihefore said position reached ffor :stamping aztr'aiisverselline `of at- ;Ltachingf,teethinfthefadvancing web, mechanism -actuableatzsaid position in gasu'cceeding: advance lof; the !webfor Crim-ping' saidnatta'ching teethltoz a w.wa-11v off-said; containenand mechanism forcutting zo'i the-melo` leaving, afs"t'rip:` permanently. attached ii-,osaidVl container waLfsaiilast noted mechanism fcom-prising interme'shing serrated: elements.

3. In a machineeforiappiying a'ireinforcingvstrip :to a=y wail ofea :web dispensing :containen 'means for advancingfstepiby stema lwlelo o'f reinforcing strip inmaterial, means 4/fior fabiicating .clinching elements 2in :the leadingedgezofzthe web,fmeans Y `for clinching fsaid elements and the :container .WalL-and means fior fciittmgsoff thenweb .fleavingfa reinforcing :strip securedtofthe waIl-of ztheiblank. :4. In f'a machine for applying .a :reinforcing strip sto fa .wall vof azweb :dispensing container, lmeans ffor -f-advancing V@Step l:hy ysteppa -iweb :of reinforcing -strip material, ;.means "for :fabricating .clinching elementsy ingthegleading edge-'ofthe' web, means :for i.clinching said ael'ements zand' thereontainer Wall, tand rmeans :for fzcutting `ioi ythe iweb leavingfa reinforcing strip :secured to the wall of fthe blankfsaiddastzmentioned fme'ans lcomprising 'serrate @faced die eelements.

2x5.In/fcombinationin:a machineefornattaching reinforcing strips-tota :wallfof a i Webtdispens-ing ','containeni means lfor :intermittently -ta'dvancingaal :webf reinforcingI ,fmateriaLv "liavingzaJ width--sfub- :stantial-ly equivalent :to the A:length-'fof :thecontainer wall, to a position engaging the-:container wall, land means forgpunchingatta'ch-ing-tongues the advancingfedge of thefweb prior toritsffarrival to theposition Whereit'engages thefcon Sta-inei-V wall.

26. .r In z combinationwin4 -a `n'iachine forf attaching `freinforcing stripstto a Vwallxaf :a web dispensing montan-1er, means lfor:intermittently v-advanoilfraa Webfof reinforci-nginrateriaL:having aWidthf-subf- ',tantialiy equival'enttzto the length =oftheconztainer'fwall, tofa ,position 'engagingfthe container iwall, andY meansfor,y punching.-attaching-tongues fin VJthe :advancing edge. of .the --Web prior 5to `@its arrivalto' the "positionifwhei'e it engages-:thereontaineriiwalh and means for: clinchingthetattaching :tongues to :fthe f container fwallf atV the instantV :of

arrivalratz'the: position of wall engagement :7. L1n combination inra machine =fvor.attachin g -lreinforcina v:strips .toz'aJ "wallizoia "web :dispensing ucontainer, imeans i oreintermittently :advancing La `AWeb of :reinforcing meteriaLIIfIaVingLa fwi'dth sube rstantially vcomix/aient Sto the -length of 2 the sconv't'ainer1'1ve'1,11,ito a-.positi'onengaging :the container wall, Jandfmeansfor punching attaching itongus jinthe advancingwedgeo .the web :prior itc :its fa-rrival'to'ithe 'positionlwhereeitfengages the V:cnn- `ta`ineiwa1i-,"'and Vmeansfforfcienehingthe'iattach gfltongues -fto the container n'fwall and f1 pennane'ntly severing thef'elinched 'Lp'ortio'nfo'ffthe -at l"the"iiis'tantrof arrivaltat i the 'Liuo'sitio'n of ewan engagement. v

1 JASPER. Y

maaERENCE-s :einen #'40 v The following f' references 'are vcf-record inthe are 'cj-f this patent-zV UNHED .erAfTEs @PATENTS 

